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Details the power transformer, fuse, and voltage rectification for the subwoofer.
Explains how the subwoofer automatically turns on/off based on audio signal or temperature.
Describes the signal path for audio inputs, including filters and buffer amplifiers.
Covers the low-pass and high-pass filters used in the audio signal processing.
Explains the Ace-Bass amplifier configuration and its unique negative output resistance.
Details the input signal processing, feedback mechanisms, and output stage of the power amplifier.
Provides initial checks and voltage measurements to diagnose unit failure.
Guides on troubleshooting blown fuses, including driver checks and resistance measurements.
Details checks for issues with the automatic turn-on/off feature, including signal levels.
Addresses problems where the unit repeatedly switches on and off without audio input.
Explains how to readjust the bias current in the power amplifier after repairs.
Details the procedure for resetting the negative output resistance (Rs) for the Ace-Bass circuit.
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General